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City of Bells

Sewage treatment plant, major discharger, Bells, Tennessee. NPDES permit TN0026247, in force until Sep 30, 2031. Last 12 months: over a limit 12 times (last September 2026), 7 required values missing, 3 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Last report on file
September 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 3 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026pH, minimum5.96 SU≥ 6 SU—
May 2026Solids, total suspended, weekly average76 mg/L≤ 75 mg/L1%
May 2026pH, minimum4.4 SU≥ 6 SU—
June 2026BOD, carbonaceous [5 day, 20 C], monthly average36.7 mg/L≤ 35 mg/L5%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average36.7 mg/L≤ 35 mg/L5%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average50.6 mg/L≤ 45 mg/L12%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average50.6 mg/L≤ 45 mg/L12%
July 2026Solids, total suspended, weekly average88 mg/L≤ 75 mg/L17%
August 2026Solids, total suspended, weekly average77 mg/L≤ 75 mg/L3%
September 2026BOD, carbonaceous, percent removal, monthly average minimum56.1 %≥ 65 %25%
September 2026Solids, total suspended, daily maximum107 mg/L≤ 90 mg/L19%
September 2026Solids, total suspended, weekly average107 mg/L≤ 75 mg/L43%

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 60 mg/Lall year001
Solids, total suspendedweekly average≤ 75 mg/Lall year001
Solids, total suspendeddaily maximum≤ 90 mg/Lall year001
Solids, total suspendedmonthly average≤ 1376 lb/dall year001
Solids, total suspendedweekly average≤ 1720 lb/dall year001
Solids, total suspendeddaily maximum≤ 2064 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]rolling averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 18 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 24 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 275 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 413 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 550 lb/dall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]rolling average≤ 84 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .6 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
SSO, Dry Weathermonthly total≤ 0 occur/moall year001
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 35 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 45 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 55 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 803 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1032 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1261 lb/dall year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 65 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 2.4 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 2.4 %all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF1
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINF1
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearINF1
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all yearINF1

How strict are these limits?

Cited limits by parameter: Tennessee's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/TN0026247 · MCP: https://passage-data.com/mcp